Initial revision of lua 'doc' function

luprex/core/cpp/luastack.hpp

@@ -126,7 +126,7 @@
 // exposed to lua.  It creates a global registry of functions
 // created with LuaDefine. You use it like so:
 //
-//    LuaDefine(function_name, "modebits") {
+//    LuaDefine(function_name, "arguments", "documentation") {
 //        ...
 //    }
 //
@@ -450,6 +450,9 @@ public:
         lua_rawseti(L_, tab, key);
     }
 
+    // Get function name
+    std::string get_function_name(LuaSlot ls);
+    
     // Lua flagbits manipulation: Table types.
     int gettabletype(LuaSlot tab) const;
     void settabletype(LuaSlot tab, int t) const;
@@ -466,8 +469,9 @@ public:
 
 class LuaFunctionReg {
 private:
-    const char *mode_;
     const char *name_;
+    const char *args_;
+    const char *docs_;
     lua_CFunction func_;
     LuaFunctionReg *next_;
 
@@ -476,18 +480,20 @@ private:
 public:
     using List = std::vector<const LuaFunctionReg *>;
 
-    LuaFunctionReg(const char *mode, const char *n, lua_CFunction f);
+    LuaFunctionReg(const char *name, const char *args, const char *docs, lua_CFunction f);
     static List all();
+    static const LuaFunctionReg *lookup(lua_CFunction fn);
 
-    const char *get_mode() const { return mode_; }
     const char *get_name() const { return name_; }
+    const char *get_args() const { return args_; }
+    const char *get_docs() const { return docs_; }
     lua_CFunction get_func() const { return func_; }
 };
 
 
-#define LuaDefine(name, mode) \
+#define LuaDefine(name, args, docs) \
     int lfn_##name(lua_State *L); \
-    LuaFunctionReg reg_##name(mode, #name, lfn_##name); \
+    LuaFunctionReg reg_##name(#name, args, docs, lfn_##name); \
     int lfn_##name(lua_State *L)